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tert-Butyl peroxybenzoate 614-45-9 MSDS
Name: tert-Butyl peroxybenzoate 98% Material Safety Data Sheet
Synonym: tert-Butyl perbenzoate; Benzenecarboperoxoic acid, 1,1-dimethylethyl ester; Peroxybenzoic acid, t-butyl ester; Trigonox C; TBPB; Polymerization initiator
CAS: 614-45-9
Section 1 - Chemical Product   MSDS Name:tert-Butyl peroxybenzoate 98% Material Safety Data Sheet
Synonym:tert-Butyl perbenzoate; Benzenecarboperoxoic acid, 1,1-dimethylethyl ester; Peroxybenzoic acid, t-butyl ester; Trigonox C; TBPB; Polymerization initiator

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
614-45-9 tert-Butyl peroxybenzoate 98 210-382-2
Hazard Symbols: XI E
Risk Phrases: 2 38 7

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Risk of explosion by shock, friction, fire or other sources of ignition. Irritating to skin. May cause fire.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Prolonged exposure may produce blisters. Not expected to cause an allergic skin reaction.
Ingestion:
May cause irritation of the digestive tract. May cause nausea and vomiting. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with other material may cause fire. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Combustible liquid. Runoff to sewer may create fire or explosion hazard. Evacuate unnecessary personnel. Peroxides and decomposition products are flammable and can ignite with explosive force if confined. This product can produce flammable vapors which may travel to a source of ignition and flash back.
Extinguishing Media:
Use water fog or spray, dry chemical, foam or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Evacuate unnecessary personnel. Approach spill from upwind. If permitted to enter sewers, this material may create a fire or explosion hazard.

Section 7 - HANDLING and STORAGE
  Handling:
Use with adequate ventilation. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with clothing and other combustible materials. Avoid ingestion and inhalation. Wash clothing before reuse. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep away from heat and flame. Do not use air pressure to empty containers.
Storage:
Keep away from heat, sparks, and flame. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from reducing agents. Store in explosion-proof refrigerator. Keep away from acidic, alkaline, combustible and oxidizing materials. To insure product quality, storage temperature should not exceed 25C. To insure against possible exothermic self-accelerating decomposition, storage temperature must not exceed 55C (derived from the SADT of 60C).

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 614-45-9: Russia: 1 mg/m3 TWA Personal Protective Equipment Eyes: Wear chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear, colorless to pale yellow
Odor: aromatic odor
pH: Not available.
Vapor Pressure: 0.33 mm Hg @ 50 deg C
Viscosity: 6.5 mPa 20 deg C
Boiling Point: 75-76 deg C @ 0.2 mm Hg
Freezing/Melting Point: 8 deg C
Autoignition Temperature: Not available.
Flash Point: > 60 deg C (> 140.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 55 deg C
Solubility in water: Insoluble.
Specific Gravity/Density: 1.02 g/ml @ 20C
Molecular Formula: C11H14O3
Molecular Weight: 194.23

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions. A dangerous self-accelerating decomposition reaction and, under certain circumstances, explosion or fire can be caused by direct contact with incompatible substances or by thermal decomposition at and above the SADT (see Section 16).
Conditions to Avoid:
Ignition sources, excess heat, confined spaces.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong reducing agents, strong acids, strong bases, heavy metals.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 614-45-9: SD9450000 LD50/LC50:
CAS# 614-45-9: Draize test, rabbit, eye: 500 mg/24H Mild; Draize test, rabbit, eye: 0.05 mL; Draize test, rabbit, skin: 500 mg/24H Mild; Draize test, rabbit, skin: 0.1 mL/4H Mild; Draize test, rabbit, skin: 0.1 mL/5D (Intermittent) Moderate; Oral, mouse: LD50 = 914 mg/kg; Oral, mouse: LD50 = 914 mg/kg; Oral, rat: LD50 = 1012 mg/kg; Oral, rat: LD50 = 1012 mg/kg.
Carcinogenicity:
tert-Butyl peroxybenzoate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: ORGANIC PEROXIDE TYPE C, LIQUID *
Hazard Class: 5.2
UN Number: 3103
Packing Group: II
IMO
Shipping Name: ORGANIC PEROXIDE TYPE C, LIQUID
Hazard Class: 5.2
UN Number: 3103
Packing Group: II
RID/ADR
Shipping Name: ORGANIC PEROXIDE TYPE C, LIQUID
Hazard Class: 5.2
UN Number: 3103
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI E
Risk Phrases:
R 2 Risk of explosion by shock, friction, fire or
other sources of ignition.
R 38 Irritating to skin.
R 7 May cause fire.
Safety Phrases:
S 17 Keep away from combustible material.
S 37 Wear suitable gloves.
WGK (Water Danger/Protection)
CAS# 614-45-9: No information available.
Canada
CAS# 614-45-9 is listed on Canada's DSL List.
CAS# 614-45-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 614-45-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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